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RT-5JS+ Information

The Rotortuner 5JS+ is the successor to the world famous Rotortuner Dash 5 system. Utilising the latest in DSP technology the RT-5JS+ reduces airborne test time to a minimum. Designed for reliability and with the ability to operate in the most extreme environments the RT-5JS+ provides the operator with a cost effective upgrade or new purchase option.

Benefits
For customers looking to upgrade their obsolete Rotortuner Dash 5 the significant reductions of up to 60% in flight test time provides a quick return on investment. The reduction in both size and weight of the Data Management Unit electronics now permit the stowage and use of the Junction Box within the original case if required. There is also space for the stowage of the transducer case for the safe storage of accelerometers, OPU and MPU.

Operator Console - The console is housed in a ruggedised container that acts as the lid for the DMU stowage container. It is equipped with a fast, high resolution, compact printer and highly reliable Compact Flash card reader. The large screen size and optimised resolution provide increased clarity for the operator. When combined with the ergonomically designed hard wearing tactile keyboard the console package provides a user friendly interface that is easy to operate even in extreme operator conditions.

Functionality - The very latest processors provide highly superior data processing capability and true parallel harmonic acquisition. This keeps data collection times to a minimum reducing flight times significantly. An advanced FFT data collection and analysis mode is available providing high resolution targeted FFT‘s configurable by the operator for in-depth diagnosis.

Operational - Combined with the new Helitune transducer cables and the Mk2 Line Scan Camera, the entire RT-5JS+ system is EMC compliant with Mil Stan 461E and UK Def. Stan. 59-41 (“above decks” compliant). The RT- 5JS+ also has an extended operating temperature range from -25ºC to +55ºC.

Compatibility - All transducers and transducer cables previously used with the older Rotortuner Dash 5 system are compatible with the RT-5JS+ (EMC compliance could be compromised with older cables). Similarly, the operating system menu structure is retained, thus minimising changes to training schedules. With industry-leading true blade tip track technology, the RT-5JS+ provides a low risk, simple and cost effective upgrade option to maintain the Rotortuner as a user-friendly, efficient and accurate RTB and vibration monitoring platform. The RT-5JS+ easily achieves current EMC standards, ensuring compatibility with new and future advanced aircraft systems, whilst still providing significant steps forward by utilising the latest technology. The RT-5JS+ is demonstration of Helitune’s commitment to current and future customers.

DMU Performance Data
Vibration Analysis
Method
 
FFT Sizes
FFT Line Count
Frequency Range
 
 
 
 
 

 
 
Fast Fourier Transform (FFT) Analysis
(Synchronous and Asynchronous)
1024, 2048 or 4096 Points
400, 800 or 1600 Lines
0-25 R and 0-25 T (where R and T are
the Main Rotor and Tail Rotor fundamental
rotational speeds) and asynchronous to
10kHz with user selectable specific
frequency bands for in-depth diagnostics.
 

Console Display
Type
Resolution
 

 
Electro-luminescent
640x480 Pixels
 

Console Test Card Interface
Type
 

 
Compact Flash
 

MK 2 Line Scan Camera
Aperture Range
Tracking Accuracy
 

 
F1.4 to F360
height +/- 2.0 mm (at tip)
lead/lag +/- 3.0 mm (at tip)
 

Electrical
DC Input
Low Voltage Directive
 
 
 

 
24 – 28V at 5A maximum
Mil 704C for 28V DC Operation IEC1010-1
’Safety Requirements for Electrical Equipment
for Measurement, Control and Laboratory Use‘
 

PHYSICAL DATA
Equipment
DMU
Operators Console
Accessories Case (empty)
Line Scan Camera
AC Adapter
Junction Box (5418)
Accelerometers
Magnetic Reference Pick-Ups
Optical Reference Pick-Ups
 

 
Dimensions (mm)
310 x 165 x 65
410 x 280 x 90
545 x 365 x 215
250 x 110 x 75
200 x 95 x 70
260 x 160 x 90
45 x 21 dia
56 x 17 dia
60 x 50 x 16
 

 
Weight (kg)
2.00 Approx.
3.50 Approx.
5.50
1.30
1.00
1.60
0.048
0.066
0.050
 

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